Home / 118,076.28-176,917.54-84,746.40

Finding the Fourth Proportional to 118,076.28, 176,917.54 and 84,746.40

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Solution

The fourth proportional to 118,076.28, 176,917.54 and 84,746.40 is: 126,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.28 : 176,917.54 = 84,746.40 : x
  2. Step 2: Convert to fraction form
    118,076.28/176,917.54 = 84,746.40/x
  3. Step 3: Cross multiply
    118,076.28x = 176,917.54 × 84,746.40
  4. Step 4: Simplify right side
    118,076.28x = 14,993,124,611.86
  5. Step 5: Solve for x
    x = 14,993,124,611.86/118,076.28
  6. Step 6: Final answer
    x = 126,978.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.